Home / 89,286.08-133,929.11-69,579.38

Finding the Fourth Proportional to 89,286.08, 133,929.11 and 69,579.38

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Solution

The fourth proportional to 89,286.08, 133,929.11 and 69,579.38 is: 104,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,286.08 : 133,929.11 = 69,579.38 : x
  2. Step 2: Convert to fraction form
    89,286.08/133,929.11 = 69,579.38/x
  3. Step 3: Cross multiply
    89,286.08x = 133,929.11 × 69,579.38
  4. Step 4: Simplify right side
    89,286.08x = 9,318,704,437.75
  5. Step 5: Solve for x
    x = 9,318,704,437.75/89,286.08
  6. Step 6: Final answer
    x = 104,369.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.